Add ruby version 2.1.6 & 2.2.2 at .travis.yml
Add ruby version 2.1.6 & 2.2.2 at .travis.yml

cllns/hanami,theocodes/lotus,mymai91/lotus-practice-aug824,Klaudit/lotus,lotus/lotus,theocodes/lotus,cllns/hanami,hanami/hanami,vinhnglx/lotus,caius/lotus,maxprig/lotus,gfvcastro/lotus,ferdinandrosario/lotus,hieuk09/lotus,lucasallan/lotus,vinhnglx/lotus,smt116/lotus,deerawan/lotus,AlfonsoUceda/lotus,hieuk09/lotus,mvader/lotus,fewtaeyeon/hanami,supriyantomaftuh/lotus,caius/lotus,simi/lotus,benlovell/lotus,t4deu/lotus,jenalgit/lotus,Klaudit/lotus,fewtaeyeon/hanami,deepj/lotus,brennovich/lotus,benlovell/lotus,rpanachi/lotus,kidaa/lotus,mli-max/lotus,lucasallan/lotus,ferdinandrosario/lotus,mli-max/lotus,mymai91/lotus-practice-aug824,hanami/hanami,t4deu/lotus,deerawan/lotus,lotus/lotus,lucasallan/lotus,supriyantomaftuh/lotus,simi/lotus,AlfonsoUceda/lotus,deepj/lotus,maxprig/lotus,rpanachi/lotus,cllns/hanami,kidaa/lotus,benlovell/lotus,lotus/lotus,mvader/lotus,gfvcastro/lotus,brennovich/lotus,jenalgit/lotus,gfvcastro/lotus,AlfonsoUceda/lotus,fewtaeyeon/hanami,smt116/lotus